<?php
define('PS_UNPACK_NATIVE', 1);
define('PS_UNPACK_MODIFIED', 2);

class Blowfish extends Crypt_Blowfish {
	function encrypt($plaintext) {
		if (($length = strlen($plaintext)) >= 1048576)
			return false;

		$ciphertext = '';
		$paddedtext = $this->maxi_pad($plaintext);
		$strlen = strlen($paddedtext);
		for ($x = 0; $x < $strlen; $x += 8)
		{
			$piece = substr($paddedtext, $x, 8);
			$cipher_piece = parent::encrypt($piece);
			$encoded = base64_encode($cipher_piece);
			$ciphertext = $ciphertext . $encoded;
		}

		return $ciphertext . sprintf('%06d', $length);
	}

	function decrypt($ciphertext) {
		$plainTextLength = intval(substr($ciphertext, -6));
		$ciphertext = substr($ciphertext, 0, -6);

		$plaintext = '';
		$chunks = explode('=', $ciphertext);
		$ending_value = sizeof($chunks);
		for ($counter = 0; $counter < ($ending_value - 1); $counter++)
		{
			$chunk = $chunks[$counter] . '=';
			$decoded = base64_decode($chunk);
			$piece = parent::decrypt($decoded);
			$plaintext = $plaintext . $piece;
		}

		return substr($plaintext, 0, $plainTextLength);
	}

	function maxi_pad($plaintext) {
		$str_len = sizeof($plaintext);
		$pad_len = $str_len % 8;
		for ($x = 0; $x < $pad_len; $x++)
			$plaintext = $plaintext . ' ';

		return $plaintext;
	}
}

class Crypt_Blowfish {

	var $_P = array(
			0x243F6A88,
			0x85A308D3,
			0x13198A2E,
			0x03707344,
			0xA4093822,
			0x299F31D0,
			0x082EFA98,
			0xEC4E6C89,
			0x452821E6,
			0x38D01377,
			0xBE5466CF,
			0x34E90C6C,
			0xC0AC29B7,
			0xC97C50DD,
			0x3F84D5B5,
			0xB5470917,
			0x9216D5D9,
			0x8979FB1B
	);

	var $_S = array(
			array(
					0xD1310BA6,
					0x98DFB5AC,
					0x2FFD72DB,
					0xD01ADFB7,
					0xB8E1AFED,
					0x6A267E96,
					0xBA7C9045,
					0xF12C7F99,
					0x24A19947,
					0xB3916CF7,
					0x0801F2E2,
					0x858EFC16,
					0x636920D8,
					0x71574E69,
					0xA458FEA3,
					0xF4933D7E,
					0x0D95748F,
					0x728EB658,
					0x718BCD58,
					0x82154AEE,
					0x7B54A41D,
					0xC25A59B5,
					0x9C30D539,
					0x2AF26013,
					0xC5D1B023,
					0x286085F0,
					0xCA417918,
					0xB8DB38EF,
					0x8E79DCB0,
					0x603A180E,
					0x6C9E0E8B,
					0xB01E8A3E,
					0xD71577C1,
					0xBD314B27,
					0x78AF2FDA,
					0x55605C60,
					0xE65525F3,
					0xAA55AB94,
					0x57489862,
					0x63E81440,
					0x55CA396A,
					0x2AAB10B6,
					0xB4CC5C34,
					0x1141E8CE,
					0xA15486AF,
					0x7C72E993,
					0xB3EE1411,
					0x636FBC2A,
					0x2BA9C55D,
					0x741831F6,
					0xCE5C3E16,
					0x9B87931E,
					0xAFD6BA33,
					0x6C24CF5C,
					0x7A325381,
					0x28958677,
					0x3B8F4898,
					0x6B4BB9AF,
					0xC4BFE81B,
					0x66282193,
					0x61D809CC,
					0xFB21A991,
					0x487CAC60,
					0x5DEC8032,
					0xEF845D5D,
					0xE98575B1,
					0xDC262302,
					0xEB651B88,
					0x23893E81,
					0xD396ACC5,
					0x0F6D6FF3,
					0x83F44239,
					0x2E0B4482,
					0xA4842004,
					0x69C8F04A,
					0x9E1F9B5E,
					0x21C66842,
					0xF6E96C9A,
					0x670C9C61,
					0xABD388F0,
					0x6A51A0D2,
					0xD8542F68,
					0x960FA728,
					0xAB5133A3,
					0x6EEF0B6C,
					0x137A3BE4,
					0xBA3BF050,
					0x7EFB2A98,
					0xA1F1651D,
					0x39AF0176,
					0x66CA593E,
					0x82430E88,
					0x8CEE8619,
					0x456F9FB4,
					0x7D84A5C3,
					0x3B8B5EBE,
					0xE06F75D8,
					0x85C12073,
					0x401A449F,
					0x56C16AA6,
					0x4ED3AA62,
					0x363F7706,
					0x1BFEDF72,
					0x429B023D,
					0x37D0D724,
					0xD00A1248,
					0xDB0FEAD3,
					0x49F1C09B,
					0x075372C9,
					0x80991B7B,
					0x25D479D8,
					0xF6E8DEF7,
					0xE3FE501A,
					0xB6794C3B,
					0x976CE0BD,
					0x04C006BA,
					0xC1A94FB6,
					0x409F60C4,
					0x5E5C9EC2,
					0x196A2463,
					0x68FB6FAF,
					0x3E6C53B5,
					0x1339B2EB,
					0x3B52EC6F,
					0x6DFC511F,
					0x9B30952C,
					0xCC814544,
					0xAF5EBD09,
					0xBEE3D004,
					0xDE334AFD,
					0x660F2807,
					0x192E4BB3,
					0xC0CBA857,
					0x45C8740F,
					0xD20B5F39,
					0xB9D3FBDB,
					0x5579C0BD,
					0x1A60320A,
					0xD6A100C6,
					0x402C7279,
					0x679F25FE,
					0xFB1FA3CC,
					0x8EA5E9F8,
					0xDB3222F8,
					0x3C7516DF,
					0xFD616B15,
					0x2F501EC8,
					0xAD0552AB,
					0x323DB5FA,
					0xFD238760,
					0x53317B48,
					0x3E00DF82,
					0x9E5C57BB,
					0xCA6F8CA0,
					0x1A87562E,
					0xDF1769DB,
					0xD542A8F6,
					0x287EFFC3,
					0xAC6732C6,
					0x8C4F5573,
					0x695B27B0,
					0xBBCA58C8,
					0xE1FFA35D,
					0xB8F011A0,
					0x10FA3D98,
					0xFD2183B8,
					0x4AFCB56C,
					0x2DD1D35B,
					0x9A53E479,
					0xB6F84565,
					0xD28E49BC,
					0x4BFB9790,
					0xE1DDF2DA,
					0xA4CB7E33,
					0x62FB1341,
					0xCEE4C6E8,
					0xEF20CADA,
					0x36774C01,
					0xD07E9EFE,
					0x2BF11FB4,
					0x95DBDA4D,
					0xAE909198,
					0xEAAD8E71,
					0x6B93D5A0,
					0xD08ED1D0,
					0xAFC725E0,
					0x8E3C5B2F,
					0x8E7594B7,
					0x8FF6E2FB,
					0xF2122B64,
					0x8888B812,
					0x900DF01C,
					0x4FAD5EA0,
					0x688FC31C,
					0xD1CFF191,
					0xB3A8C1AD,
					0x2F2F2218,
					0xBE0E1777,
					0xEA752DFE,
					0x8B021FA1,
					0xE5A0CC0F,
					0xB56F74E8,
					0x18ACF3D6,
					0xCE89E299,
					0xB4A84FE0,
					0xFD13E0B7,
					0x7CC43B81,
					0xD2ADA8D9,
					0x165FA266,
					0x80957705,
					0x93CC7314,
					0x211A1477,
					0xE6AD2065,
					0x77B5FA86,
					0xC75442F5,
					0xFB9D35CF,
					0xEBCDAF0C,
					0x7B3E89A0,
					0xD6411BD3,
					0xAE1E7E49,
					0x00250E2D,
					0x2071B35E,
					0x226800BB,
					0x57B8E0AF,
					0x2464369B,
					0xF009B91E,
					0x5563911D,
					0x59DFA6AA,
					0x78C14389,
					0xD95A537F,
					0x207D5BA2,
					0x02E5B9C5,
					0x83260376,
					0x6295CFA9,
					0x11C81968,
					0x4E734A41,
					0xB3472DCA,
					0x7B14A94A,
					0x1B510052,
					0x9A532915,
					0xD60F573F,
					0xBC9BC6E4,
					0x2B60A476,
					0x81E67400,
					0x08BA6FB5,
					0x571BE91F,
					0xF296EC6B,
					0x2A0DD915,
					0xB6636521,
					0xE7B9F9B6,
					0xFF34052E,
					0xC5855664,
					0x53B02D5D,
					0xA99F8FA1,
					0x08BA4799,
					0x6E85076A
			),
			array(
					0x4B7A70E9,
					0xB5B32944,
					0xDB75092E,
					0xC4192623,
					0xAD6EA6B0,
					0x49A7DF7D,
					0x9CEE60B8,
					0x8FEDB266,
					0xECAA8C71,
					0x699A17FF,
					0x5664526C,
					0xC2B19EE1,
					0x193602A5,
					0x75094C29,
					0xA0591340,
					0xE4183A3E,
					0x3F54989A,
					0x5B429D65,
					0x6B8FE4D6,
					0x99F73FD6,
					0xA1D29C07,
					0xEFE830F5,
					0x4D2D38E6,
					0xF0255DC1,
					0x4CDD2086,
					0x8470EB26,
					0x6382E9C6,
					0x021ECC5E,
					0x09686B3F,
					0x3EBAEFC9,
					0x3C971814,
					0x6B6A70A1,
					0x687F3584,
					0x52A0E286,
					0xB79C5305,
					0xAA500737,
					0x3E07841C,
					0x7FDEAE5C,
					0x8E7D44EC,
					0x5716F2B8,
					0xB03ADA37,
					0xF0500C0D,
					0xF01C1F04,
					0x0200B3FF,
					0xAE0CF51A,
					0x3CB574B2,
					0x25837A58,
					0xDC0921BD,
					0xD19113F9,
					0x7CA92FF6,
					0x94324773,
					0x22F54701,
					0x3AE5E581,
					0x37C2DADC,
					0xC8B57634,
					0x9AF3DDA7,
					0xA9446146,
					0x0FD0030E,
					0xECC8C73E,
					0xA4751E41,
					0xE238CD99,
					0x3BEA0E2F,
					0x3280BBA1,
					0x183EB331,
					0x4E548B38,
					0x4F6DB908,
					0x6F420D03,
					0xF60A04BF,
					0x2CB81290,
					0x24977C79,
					0x5679B072,
					0xBCAF89AF,
					0xDE9A771F,
					0xD9930810,
					0xB38BAE12,
					0xDCCF3F2E,
					0x5512721F,
					0x2E6B7124,
					0x501ADDE6,
					0x9F84CD87,
					0x7A584718,
					0x7408DA17,
					0xBC9F9ABC,
					0xE94B7D8C,
					0xEC7AEC3A,
					0xDB851DFA,
					0x63094366,
					0xC464C3D2,
					0xEF1C1847,
					0x3215D908,
					0xDD433B37,
					0x24C2BA16,
					0x12A14D43,
					0x2A65C451,
					0x50940002,
					0x133AE4DD,
					0x71DFF89E,
					0x10314E55,
					0x81AC77D6,
					0x5F11199B,
					0x043556F1,
					0xD7A3C76B,
					0x3C11183B,
					0x5924A509,
					0xF28FE6ED,
					0x97F1FBFA,
					0x9EBABF2C,
					0x1E153C6E,
					0x86E34570,
					0xEAE96FB1,
					0x860E5E0A,
					0x5A3E2AB3,
					0x771FE71C,
					0x4E3D06FA,
					0x2965DCB9,
					0x99E71D0F,
					0x803E89D6,
					0x5266C825,
					0x2E4CC978,
					0x9C10B36A,
					0xC6150EBA,
					0x94E2EA78,
					0xA5FC3C53,
					0x1E0A2DF4,
					0xF2F74EA7,
					0x361D2B3D,
					0x1939260F,
					0x19C27960,
					0x5223A708,
					0xF71312B6,
					0xEBADFE6E,
					0xEAC31F66,
					0xE3BC4595,
					0xA67BC883,
					0xB17F37D1,
					0x018CFF28,
					0xC332DDEF,
					0xBE6C5AA5,
					0x65582185,
					0x68AB9802,
					0xEECEA50F,
					0xDB2F953B,
					0x2AEF7DAD,
					0x5B6E2F84,
					0x1521B628,
					0x29076170,
					0xECDD4775,
					0x619F1510,
					0x13CCA830,
					0xEB61BD96,
					0x0334FE1E,
					0xAA0363CF,
					0xB5735C90,
					0x4C70A239,
					0xD59E9E0B,
					0xCBAADE14,
					0xEECC86BC,
					0x60622CA7,
					0x9CAB5CAB,
					0xB2F3846E,
					0x648B1EAF,
					0x19BDF0CA,
					0xA02369B9,
					0x655ABB50,
					0x40685A32,
					0x3C2AB4B3,
					0x319EE9D5,
					0xC021B8F7,
					0x9B540B19,
					0x875FA099,
					0x95F7997E,
					0x623D7DA8,
					0xF837889A,
					0x97E32D77,
					0x11ED935F,
					0x16681281,
					0x0E358829,
					0xC7E61FD6,
					0x96DEDFA1,
					0x7858BA99,
					0x57F584A5,
					0x1B227263,
					0x9B83C3FF,
					0x1AC24696,
					0xCDB30AEB,
					0x532E3054,
					0x8FD948E4,
					0x6DBC3128,
					0x58EBF2EF,
					0x34C6FFEA,
					0xFE28ED61,
					0xEE7C3C73,
					0x5D4A14D9,
					0xE864B7E3,
					0x42105D14,
					0x203E13E0,
					0x45EEE2B6,
					0xA3AAABEA,
					0xDB6C4F15,
					0xFACB4FD0,
					0xC742F442,
					0xEF6ABBB5,
					0x654F3B1D,
					0x41CD2105,
					0xD81E799E,
					0x86854DC7,
					0xE44B476A,
					0x3D816250,
					0xCF62A1F2,
					0x5B8D2646,
					0xFC8883A0,
					0xC1C7B6A3,
					0x7F1524C3,
					0x69CB7492,
					0x47848A0B,
					0x5692B285,
					0x095BBF00,
					0xAD19489D,
					0x1462B174,
					0x23820E00,
					0x58428D2A,
					0x0C55F5EA,
					0x1DADF43E,
					0x233F7061,
					0x3372F092,
					0x8D937E41,
					0xD65FECF1,
					0x6C223BDB,
					0x7CDE3759,
					0xCBEE7460,
					0x4085F2A7,
					0xCE77326E,
					0xA6078084,
					0x19F8509E,
					0xE8EFD855,
					0x61D99735,
					0xA969A7AA,
					0xC50C06C2,
					0x5A04ABFC,
					0x800BCADC,
					0x9E447A2E,
					0xC3453484,
					0xFDD56705,
					0x0E1E9EC9,
					0xDB73DBD3,
					0x105588CD,
					0x675FDA79,
					0xE3674340,
					0xC5C43465,
					0x713E38D8,
					0x3D28F89E,
					0xF16DFF20,
					0x153E21E7,
					0x8FB03D4A,
					0xE6E39F2B,
					0xDB83ADF7
			),
			array(
					0xE93D5A68,
					0x948140F7,
					0xF64C261C,
					0x94692934,
					0x411520F7,
					0x7602D4F7,
					0xBCF46B2E,
					0xD4A20068,
					0xD4082471,
					0x3320F46A,
					0x43B7D4B7,
					0x500061AF,
					0x1E39F62E,
					0x97244546,
					0x14214F74,
					0xBF8B8840,
					0x4D95FC1D,
					0x96B591AF,
					0x70F4DDD3,
					0x66A02F45,
					0xBFBC09EC,
					0x03BD9785,
					0x7FAC6DD0,
					0x31CB8504,
					0x96EB27B3,
					0x55FD3941,
					0xDA2547E6,
					0xABCA0A9A,
					0x28507825,
					0x530429F4,
					0x0A2C86DA,
					0xE9B66DFB,
					0x68DC1462,
					0xD7486900,
					0x680EC0A4,
					0x27A18DEE,
					0x4F3FFEA2,
					0xE887AD8C,
					0xB58CE006,
					0x7AF4D6B6,
					0xAACE1E7C,
					0xD3375FEC,
					0xCE78A399,
					0x406B2A42,
					0x20FE9E35,
					0xD9F385B9,
					0xEE39D7AB,
					0x3B124E8B,
					0x1DC9FAF7,
					0x4B6D1856,
					0x26A36631,
					0xEAE397B2,
					0x3A6EFA74,
					0xDD5B4332,
					0x6841E7F7,
					0xCA7820FB,
					0xFB0AF54E,
					0xD8FEB397,
					0x454056AC,
					0xBA489527,
					0x55533A3A,
					0x20838D87,
					0xFE6BA9B7,
					0xD096954B,
					0x55A867BC,
					0xA1159A58,
					0xCCA92963,
					0x99E1DB33,
					0xA62A4A56,
					0x3F3125F9,
					0x5EF47E1C,
					0x9029317C,
					0xFDF8E802,
					0x04272F70,
					0x80BB155C,
					0x05282CE3,
					0x95C11548,
					0xE4C66D22,
					0x48C1133F,
					0xC70F86DC,
					0x07F9C9EE,
					0x41041F0F,
					0x404779A4,
					0x5D886E17,
					0x325F51EB,
					0xD59BC0D1,
					0xF2BCC18F,
					0x41113564,
					0x257B7834,
					0x602A9C60,
					0xDFF8E8A3,
					0x1F636C1B,
					0x0E12B4C2,
					0x02E1329E,
					0xAF664FD1,
					0xCAD18115,
					0x6B2395E0,
					0x333E92E1,
					0x3B240B62,
					0xEEBEB922,
					0x85B2A20E,
					0xE6BA0D99,
					0xDE720C8C,
					0x2DA2F728,
					0xD0127845,
					0x95B794FD,
					0x647D0862,
					0xE7CCF5F0,
					0x5449A36F,
					0x877D48FA,
					0xC39DFD27,
					0xF33E8D1E,
					0x0A476341,
					0x992EFF74,
					0x3A6F6EAB,
					0xF4F8FD37,
					0xA812DC60,
					0xA1EBDDF8,
					0x991BE14C,
					0xDB6E6B0D,
					0xC67B5510,
					0x6D672C37,
					0x2765D43B,
					0xDCD0E804,
					0xF1290DC7,
					0xCC00FFA3,
					0xB5390F92,
					0x690FED0B,
					0x667B9FFB,
					0xCEDB7D9C,
					0xA091CF0B,
					0xD9155EA3,
					0xBB132F88,
					0x515BAD24,
					0x7B9479BF,
					0x763BD6EB,
					0x37392EB3,
					0xCC115979,
					0x8026E297,
					0xF42E312D,
					0x6842ADA7,
					0xC66A2B3B,
					0x12754CCC,
					0x782EF11C,
					0x6A124237,
					0xB79251E7,
					0x06A1BBE6,
					0x4BFB6350,
					0x1A6B1018,
					0x11CAEDFA,
					0x3D25BDD8,
					0xE2E1C3C9,
					0x44421659,
					0x0A121386,
					0xD90CEC6E,
					0xD5ABEA2A,
					0x64AF674E,
					0xDA86A85F,
					0xBEBFE988,
					0x64E4C3FE,
					0x9DBC8057,
					0xF0F7C086,
					0x60787BF8,
					0x6003604D,
					0xD1FD8346,
					0xF6381FB0,
					0x7745AE04,
					0xD736FCCC,
					0x83426B33,
					0xF01EAB71,
					0xB0804187,
					0x3C005E5F,
					0x77A057BE,
					0xBDE8AE24,
					0x55464299,
					0xBF582E61,
					0x4E58F48F,
					0xF2DDFDA2,
					0xF474EF38,
					0x8789BDC2,
					0x5366F9C3,
					0xC8B38E74,
					0xB475F255,
					0x46FCD9B9,
					0x7AEB2661,
					0x8B1DDF84,
					0x846A0E79,
					0x915F95E2,
					0x466E598E,
					0x20B45770,
					0x8CD55591,
					0xC902DE4C,
					0xB90BACE1,
					0xBB8205D0,
					0x11A86248,
					0x7574A99E,
					0xB77F19B6,
					0xE0A9DC09,
					0x662D09A1,
					0xC4324633,
					0xE85A1F02,
					0x09F0BE8C,
					0x4A99A025,
					0x1D6EFE10,
					0x1AB93D1D,
					0x0BA5A4DF,
					0xA186F20F,
					0x2868F169,
					0xDCB7DA83,
					0x573906FE,
					0xA1E2CE9B,
					0x4FCD7F52,
					0x50115E01,
					0xA70683FA,
					0xA002B5C4,
					0x0DE6D027,
					0x9AF88C27,
					0x773F8641,
					0xC3604C06,
					0x61A806B5,
					0xF0177A28,
					0xC0F586E0,
					0x006058AA,
					0x30DC7D62,
					0x11E69ED7,
					0x2338EA63,
					0x53C2DD94,
					0xC2C21634,
					0xBBCBEE56,
					0x90BCB6DE,
					0xEBFC7DA1,
					0xCE591D76,
					0x6F05E409,
					0x4B7C0188,
					0x39720A3D,
					0x7C927C24,
					0x86E3725F,
					0x724D9DB9,
					0x1AC15BB4,
					0xD39EB8FC,
					0xED545578,
					0x08FCA5B5,
					0xD83D7CD3,
					0x4DAD0FC4,
					0x1E50EF5E,
					0xB161E6F8,
					0xA28514D9,
					0x6C51133C,
					0x6FD5C7E7,
					0x56E14EC4,
					0x362ABFCE,
					0xDDC6C837,
					0xD79A3234,
					0x92638212,
					0x670EFA8E,
					0x406000E0
			),
			array(
					0x3A39CE37,
					0xD3FAF5CF,
					0xABC27737,
					0x5AC52D1B,
					0x5CB0679E,
					0x4FA33742,
					0xD3822740,
					0x99BC9BBE,
					0xD5118E9D,
					0xBF0F7315,
					0xD62D1C7E,
					0xC700C47B,
					0xB78C1B6B,
					0x21A19045,
					0xB26EB1BE,
					0x6A366EB4,
					0x5748AB2F,
					0xBC946E79,
					0xC6A376D2,
					0x6549C2C8,
					0x530FF8EE,
					0x468DDE7D,
					0xD5730A1D,
					0x4CD04DC6,
					0x2939BBDB,
					0xA9BA4650,
					0xAC9526E8,
					0xBE5EE304,
					0xA1FAD5F0,
					0x6A2D519A,
					0x63EF8CE2,
					0x9A86EE22,
					0xC089C2B8,
					0x43242EF6,
					0xA51E03AA,
					0x9CF2D0A4,
					0x83C061BA,
					0x9BE96A4D,
					0x8FE51550,
					0xBA645BD6,
					0x2826A2F9,
					0xA73A3AE1,
					0x4BA99586,
					0xEF5562E9,
					0xC72FEFD3,
					0xF752F7DA,
					0x3F046F69,
					0x77FA0A59,
					0x80E4A915,
					0x87B08601,
					0x9B09E6AD,
					0x3B3EE593,
					0xE990FD5A,
					0x9E34D797,
					0x2CF0B7D9,
					0x022B8B51,
					0x96D5AC3A,
					0x017DA67D,
					0xD1CF3ED6,
					0x7C7D2D28,
					0x1F9F25CF,
					0xADF2B89B,
					0x5AD6B472,
					0x5A88F54C,
					0xE029AC71,
					0xE019A5E6,
					0x47B0ACFD,
					0xED93FA9B,
					0xE8D3C48D,
					0x283B57CC,
					0xF8D56629,
					0x79132E28,
					0x785F0191,
					0xED756055,
					0xF7960E44,
					0xE3D35E8C,
					0x15056DD4,
					0x88F46DBA,
					0x03A16125,
					0x0564F0BD,
					0xC3EB9E15,
					0x3C9057A2,
					0x97271AEC,
					0xA93A072A,
					0x1B3F6D9B,
					0x1E6321F5,
					0xF59C66FB,
					0x26DCF319,
					0x7533D928,
					0xB155FDF5,
					0x03563482,
					0x8ABA3CBB,
					0x28517711,
					0xC20AD9F8,
					0xABCC5167,
					0xCCAD925F,
					0x4DE81751,
					0x3830DC8E,
					0x379D5862,
					0x9320F991,
					0xEA7A90C2,
					0xFB3E7BCE,
					0x5121CE64,
					0x774FBE32,
					0xA8B6E37E,
					0xC3293D46,
					0x48DE5369,
					0x6413E680,
					0xA2AE0810,
					0xDD6DB224,
					0x69852DFD,
					0x09072166,
					0xB39A460A,
					0x6445C0DD,
					0x586CDECF,
					0x1C20C8AE,
					0x5BBEF7DD,
					0x1B588D40,
					0xCCD2017F,
					0x6BB4E3BB,
					0xDDA26A7E,
					0x3A59FF45,
					0x3E350A44,
					0xBCB4CDD5,
					0x72EACEA8,
					0xFA6484BB,
					0x8D6612AE,
					0xBF3C6F47,
					0xD29BE463,
					0x542F5D9E,
					0xAEC2771B,
					0xF64E6370,
					0x740E0D8D,
					0xE75B1357,
					0xF8721671,
					0xAF537D5D,
					0x4040CB08,
					0x4EB4E2CC,
					0x34D2466A,
					0x0115AF84,
					0xE1B00428,
					0x95983A1D,
					0x06B89FB4,
					0xCE6EA048,
					0x6F3F3B82,
					0x3520AB82,
					0x011A1D4B,
					0x277227F8,
					0x611560B1,
					0xE7933FDC,
					0xBB3A792B,
					0x344525BD,
					0xA08839E1,
					0x51CE794B,
					0x2F32C9B7,
					0xA01FBAC9,
					0xE01CC87E,
					0xBCC7D1F6,
					0xCF0111C3,
					0xA1E8AAC7,
					0x1A908749,
					0xD44FBD9A,
					0xD0DADECB,
					0xD50ADA38,
					0x0339C32A,
					0xC6913667,
					0x8DF9317C,
					0xE0B12B4F,
					0xF79E59B7,
					0x43F5BB3A,
					0xF2D519FF,
					0x27D9459C,
					0xBF97222C,
					0x15E6FC2A,
					0x0F91FC71,
					0x9B941525,
					0xFAE59361,
					0xCEB69CEB,
					0xC2A86459,
					0x12BAA8D1,
					0xB6C1075E,
					0xE3056A0C,
					0x10D25065,
					0xCB03A442,
					0xE0EC6E0E,
					0x1698DB3B,
					0x4C98A0BE,
					0x3278E964,
					0x9F1F9532,
					0xE0D392DF,
					0xD3A0342B,
					0x8971F21E,
					0x1B0A7441,
					0x4BA3348C,
					0xC5BE7120,
					0xC37632D8,
					0xDF359F8D,
					0x9B992F2E,
					0xE60B6F47,
					0x0FE3F11D,
					0xE54CDA54,
					0x1EDAD891,
					0xCE6279CF,
					0xCD3E7E6F,
					0x1618B166,
					0xFD2C1D05,
					0x848FD2C5,
					0xF6FB2299,
					0xF523F357,
					0xA6327623,
					0x93A83531,
					0x56CCCD02,
					0xACF08162,
					0x5A75EBB5,
					0x6E163697,
					0x88D273CC,
					0xDE966292,
					0x81B949D0,
					0x4C50901B,
					0x71C65614,
					0xE6C6C7BD,
					0x327A140A,
					0x45E1D006,
					0xC3F27B9A,
					0xC9AA53FD,
					0x62A80F00,
					0xBB25BFE2,
					0x35BDD2F6,
					0x71126905,
					0xB2040222,
					0xB6CBCF7C,
					0xCD769C2B,
					0x53113EC0,
					0x1640E3D3,
					0x38ABBD60,
					0x2547ADF0,
					0xBA38209C,
					0xF746CE76,
					0x77AFA1C5,
					0x20756060,
					0x85CBFE4E,
					0x8AE88DD8,
					0x7AAAF9B0,
					0x4CF9AA7E,
					0x1948C25C,
					0x02FB8A8C,
					0x01C36AE4,
					0xD6EBE1F9,
					0x90D4F869,
					0xA65CDEA0,
					0x3F09252D,
					0xC208E69F,
					0xB74E6132,
					0xCE77E25B,
					0x578FDFE3,
					0x3AC372E6
			)
	);

	var $_iv = null;

	protected $_unpackMode = PS_UNPACK_NATIVE;

	function __construct($key, $iv) {
		$_iv = $iv;

		$len = strlen($key);

		$k = 0;
		$data = 0;
		$datal = 0;
		$datar = 0;

		if (PHP_VERSION_ID == '50201' || PHP_VERSION_ID == '50206')
			$this->_unpackMode = PS_UNPACK_MODIFIED;

		for ($i = 0; $i < 18; $i++)
		{
			$data = 0;
			for ($j = 4; $j > 0; $j--)
			{
				$data = $data << 8 | ord($key{$k});
				$k = ($k + 1) % $len;
			}
			$this->_P[$i] ^= $data;
		}

		for ($i = 0; $i <= 16; $i += 2)
		{
			$this->_encipher($datal, $datar);
			$this->_P[$i] = $datal;
			$this->_P[$i + 1] = $datar;
		}
		for ($i = 0; $i < 256; $i += 2)
		{
			$this->_encipher($datal, $datar);
			$this->_S[0][$i] = $datal;
			$this->_S[0][$i + 1] = $datar;
		}
		for ($i = 0; $i < 256; $i += 2)
		{
			$this->_encipher($datal, $datar);
			$this->_S[1][$i] = $datal;
			$this->_S[1][$i + 1] = $datar;
		}
		for ($i = 0; $i < 256; $i += 2)
		{
			$this->_encipher($datal, $datar);
			$this->_S[2][$i] = $datal;
			$this->_S[2][$i + 1] = $datar;
		}
		for ($i = 0; $i < 256; $i += 2)
		{
			$this->_encipher($datal, $datar);
			$this->_S[3][$i] = $datal;
			$this->_S[3][$i + 1] = $datar;
		}
	}

	function _encipher(&$Xl, &$Xr) {
		for ($i = 0; $i < 16; $i++)
		{
			$temp = $Xl ^ $this->_P[$i];
			$Xl = ((($this->_S[0][($temp >> 24) & 255] + $this->_S[1][($temp >> 16) & 255]) ^ $this->_S[2][($temp >> 8) & 255]) + $this->_S[3][$temp & 255]) ^ $Xr;
			$Xr = $temp;
		}
		$Xr = $Xl ^ $this->_P[16];
		$Xl = $temp ^ $this->_P[17];
	}

	function _decipher(&$Xl, &$Xr) {
		for ($i = 17; $i > 1; $i--)
		{
			$temp = $Xl ^ $this->_P[$i];
			$Xl = ((($this->_S[0][($temp >> 24) & 255] + $this->_S[1][($temp >> 16) & 255]) ^ $this->_S[2][($temp >> 8) & 255]) + $this->_S[3][$temp & 255]) ^ $Xr;
			$Xr = $temp;
		}
		$Xr = $Xl ^ $this->_P[1];
		$Xl = $temp ^ $this->_P[0];
	}

	function encrypt($plainText) {
		$cipherText = '';
		$len = strlen($plainText);
		$plainText .= str_repeat(chr(0), (8 - ($len % 8)) % 8);
		for ($i = 0; $i < $len; $i += 8)
		{
			list(, $Xl, $Xr) = ($this->_unpackMode == PS_UNPACK_NATIVE ? unpack('N2', substr($plainText, $i, 8)) : $this->myUnpackN2(substr($plainText, $i, 8)));
			$this->_encipher($Xl, $Xr);
			$cipherText .= pack('N2', $Xl, $Xr);
		}

		return $cipherText;
	}

	function decrypt($cipherText) {
		$plainText = '';
		$len = strlen($cipherText);
		$cipherText .= str_repeat(chr(0), (8 - ($len % 8)) % 8);
		for ($i = 0; $i < $len; $i += 8)
		{
			list(, $Xl, $Xr) = ($this->_unpackMode == PS_UNPACK_NATIVE ? unpack('N2', substr($cipherText, $i, 8)) : $this->myUnpackN2(substr($cipherText, $i, 8)));
			$this->_decipher($Xl, $Xr);
			$plainText .= pack('N2', $Xl, $Xr);
		}

		return $plainText;
	}

	function myUnpackN($str) {
		if (pack('L', 0x6162797A) == pack('V', 0x6162797A))
			return ((ord($str) << 24) | (ord(substr($str, 1)) << 16) | (ord(substr($str, 2)) << 8) | ord(substr($str, 3)));
		else
			return (ord($str) | (ord(substr($str, 1)) << 8) | (ord(substr($str, 2)) << 16) | (ord(substr($str, 3)) << 24));
	}

	function myUnpackN2($str) {
		return array('1' => $this->myUnpackN($str), '2' => $this->myUnpackN(substr($str, 4)));
	}
}
